18488400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 70852608

約数和(自身を除く): 52364208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 31, 35, 40, 42, 48, 50, 56, 60, 62, 70, 71, 75, 80, 84, 93, 100, 105, 112, 120, 124, 140, 142, 150, 155, 168, 175, 186, 200, 210, 213, 217, 240, 248, 280, 284, 300, 310, 336, 350, 355, 372, 400, 420, 426, 434, 465, 496, 497, 525, 560, 568, 600, 620, 651, 700, 710, 744, 775, 840, 852, 868, 930, 994, 1050, 1065, 1085, 1136, 1200, 1240, 1302, 1400, 1420, 1488, 1491, 1550, 1680, 1704, 1736, 1775, 1860, 1988, 2100, 2130, 2170, 2201, 2325, 2480, 2485, 2604, 2800, 2840, 2982, 3100, 3255, 3408, 3472, 3550, 3720, 3976, 4200, 4260, 4340, 4402, 4650, 4970, 5208, 5325, 5425, 5680, 5964, 6200, 6510, 6603, 7100, 7440, 7455, 7952, 8400, 8520, 8680, 8804, 9300, 9940, 10416, 10650, 10850, 11005, 11928, 12400, 12425, 13020, 13206, 14200, 14910, 15407, 16275, 17040, 17360, 17608, 18600, 19880, 21300, 21700, 22010, 23856, 24850, 26040, 26412, 28400, 29820, 30814, 32550, 33015, 35216, 37200, 37275, 39760, 42600, 43400, 44020, 46221, 49700, 52080, 52824, 55025, 59640, 61628, 65100, 66030, 74550, 77035, 85200, 86800, 88040, 92442, 99400, 105648, 110050, 119280, 123256, 130200, 132060, 149100, 154070, 165075, 176080, 184884, 198800, 220100, 231105, 246512, 260400, 264120, 298200, 308140, 330150, 369768, 385175, 440200, 462210, 528240, 596400, 616280, 660300, 739536, 770350, 880400, 924420, 1155525, 1232560, 1320600, 1540700, 1848840, 2311050, 2641200, 3081400, 3697680, 4622100, 6162800, 9244200, 18488400]

約数ペア:

[(1, 18488400), (2, 9244200), (3, 6162800), (4, 4622100), (5, 3697680), (6, 3081400), (7, 2641200), (8, 2311050), (10, 1848840), (12, 1540700), (14, 1320600), (15, 1232560), (16, 1155525), (20, 924420), (21, 880400), (24, 770350), (25, 739536), (28, 660300), (30, 616280), (31, 596400), (35, 528240), (40, 462210), (42, 440200), (48, 385175), (50, 369768), (56, 330150), (60, 308140), (62, 298200), (70, 264120), (71, 260400), (75, 246512), (80, 231105), (84, 220100), (93, 198800), (100, 184884), (105, 176080), (112, 165075), (120, 154070), (124, 149100), (140, 132060), (142, 130200), (150, 123256), (155, 119280), (168, 110050), (175, 105648), (186, 99400), (200, 92442), (210, 88040), (213, 86800), (217, 85200), (240, 77035), (248, 74550), (280, 66030), (284, 65100), (300, 61628), (310, 59640), (336, 55025), (350, 52824), (355, 52080), (372, 49700), (400, 46221), (420, 44020), (426, 43400), (434, 42600), (465, 39760), (496, 37275), (497, 37200), (525, 35216), (560, 33015), (568, 32550), (600, 30814), (620, 29820), (651, 28400), (700, 26412), (710, 26040), (744, 24850), (775, 23856), (840, 22010), (852, 21700), (868, 21300), (930, 19880), (994, 18600), (1050, 17608), (1065, 17360), (1085, 17040), (1136, 16275), (1200, 15407), (1240, 14910), (1302, 14200), (1400, 13206), (1420, 13020), (1488, 12425), (1491, 12400), (1550, 11928), (1680, 11005), (1704, 10850), (1736, 10650), (1775, 10416), (1860, 9940), (1988, 9300), (2100, 8804), (2130, 8680), (2170, 8520), (2201, 8400), (2325, 7952), (2480, 7455), (2485, 7440), (2604, 7100), (2800, 6603), (2840, 6510), (2982, 6200), (3100, 5964), (3255, 5680), (3408, 5425), (3472, 5325), (3550, 5208), (3720, 4970), (3976, 4650), (4200, 4402), (4260, 4340)]